The Data Discovery module makes sure that any confidential text or image data transmitted and stored by the users within the Exchange Online mailboxes, OneDrive storages and SharePoint Online sites of your organization will not leak to malicious users. By default, detected items containing confidential information are neither moved nor deleted, but displayed in the Quarantine list, so you can consider actions to prevent the possible leakage.
This section describes how to enable and configure tracing of the following types of confidential information in text and image presentation:
Credit/Debit Card Number
French Driving License
French Identity Card
French Passport
French Social Security Number
German Driving License
German Identity Card
German Passport
German Residence Permit
German Social Insurance Number (SIN)
German Tax Identification Number (TIN)
Italian Driving License
Italian Identity Card
Italian Passport
Italian Fiscal Code
Spanish Identity Card
Spanish Passport
Spanish National Insurance Number
Spanish Unique Taxpayer Reference
UK Driving License
UK Passport
UK Residence Card
UK National Insurance Number
UK Tax Identification Number (TIN)
US Driver's License
US Passport
US Social Security Number (SSN)
US Individual Taxpayer Identification Number (ITIN)